FluoroquinolonesAnti-Infective AgentsCiprofloxacinAnti-Bacterial AgentsOfloxacinNorfloxacinAza CompoundsDNA GyraseEnoxacinDrug Resistance, BacterialLevofloxacinMicrobial Sensitivity TestsNaphthyridinesQuinolonesQuinolinesDNA Topoisomerase IVDrug Resistance, MicrobialDrug Resistance, Multiple, BacterialDrug UtilizationGram-Negative Bacterial InfectionsPefloxacinGram-Negative BacteriaClostridium difficileStaphylococcus aureusEnterocolitis, PseudomembranousEscherichia coliCross InfectionPseudomonas aeruginosa4-QuinolonesDNA Topoisomerases, Type IICommunity-Acquired InfectionsAmpicillinTobramycinStaphylococcal InfectionsStreptococcus pneumoniaeVancomycinNalidixic AcidAmpicillin ResistanceAntibiotic ProphylaxisDermatitis, PhototoxicBacterial InfectionsRetrospective StudiesFecesRisk FactorsMacrolidesInfant, NewbornDNA, BacterialGram-Positive BacteriaTopoisomerase II Inhibitorsbeta-LactamsMutationAminoglycosidesSepsisBacterial ProteinsEscherichia coli InfectionsFleroxacinBacteriaPneumococcal InfectionsAntitubercular AgentsCohort StudiesUrinary Tract InfectionsCephalosporinsMycoplasma hominisErythromycinDrug Resistance, MultipleMycobacterium tuberculosisDNA TopoisomerasesEye Infections, BacterialNeisseria gonorrhoeaeTyphoid FeverGenes, Bacterialbeta-LactamasesPseudomonas InfectionsAnti-Infective Agents, UrinaryEnterobacteriaceaeSalmonella typhiBacteria, AnaerobicGram-Positive Bacterial InfectionsPenicillinsBacteremiaLactamsSalmonella entericaMycobacterium fortuitumGonorrheaColony Count, MicrobialTuberculosis, Multidrug-ResistantElectrophoresis, Gel, Pulsed-FieldSequence Analysis, DNADermatitis, PhotoallergicHospitalsSalmonella paratyphi ACampylobacter jejuniCampylobacter InfectionsArea Under CurveGram-Positive CocciKlebsiella pneumoniaeTrimethoprim-Sulfamethoxazole CombinationSalmonella InfectionsPneumonia, BacterialMembrane Transport Proteins